Taylor Swift Is Livin' La Vida Loca

Taylor Swift's 1989 World Tour guests have been a very eclectic assortment. And last night in Miami—for 1989's birthday, no less—Taylor added three more curveballs. She sang with Ricky Martin! Hung with Dwyane Wade! And performed with Pitbull?!!! Boyfriend Calvin Harris was also there to watch it go down: